1 /***************************************************************************
2 qgsmultiedittoolbutton.cpp
3 --------------------------
4 Date : March 2016
5 Copyright : (C) 2016 Nyall Dawson
6 Email : nyall dot dawson at gmail.com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16 #include "qgsmultiedittoolbutton.h"
17 #include "qgsapplication.h"
18 #include "qgsguiutils.h"
19
20 #include <QMenu>
QgsMultiEditToolButton(QWidget * parent)21 QgsMultiEditToolButton::QgsMultiEditToolButton( QWidget *parent )
22 : QToolButton( parent )
23 {
24 setFocusPolicy( Qt::StrongFocus );
25
26 // set default tool button icon properties
27 setStyleSheet( QStringLiteral( "QToolButton{ background: none; border: 1px solid rgba(0, 0, 0, 0%);} QToolButton:focus { border: 1px solid palette(highlight); }" ) );
28
29 const int iconSize = QgsGuiUtils::scaleIconSize( 24 );
30 setIconSize( QSize( iconSize, iconSize ) );
31 // button width is 1.25 * icon size, height 1.1 * icon size. But we round to ensure even pixel sizes for equal margins
32 setFixedSize( 2 * static_cast< int >( 1.25 * iconSize / 2.0 ), 2 * static_cast< int >( iconSize * 1.1 / 2.0 ) );
33
34 setPopupMode( QToolButton::InstantPopup );
35
36 mMenu = new QMenu( this );
37 connect( mMenu, &QMenu::aboutToShow, this, &QgsMultiEditToolButton::aboutToShowMenu );
38 setMenu( mMenu );
39
40 // sets initial appearance
41 updateState();
42 }
43
aboutToShowMenu()44 void QgsMultiEditToolButton::aboutToShowMenu()
45 {
46 mMenu->clear();
47
48 switch ( mState )
49 {
50 case Default:
51 {
52 QAction *noAction = mMenu->addAction( tr( "No Changes to Commit" ) );
53 noAction->setEnabled( false );
54 break;
55 }
56 case MixedValues:
57 {
58 const QString title = !mField.name().isEmpty() ? tr( "Set %1 for All Selected Features" ).arg( mField.name() )
59 : tr( "Set field for all selected features" );
60 QAction *setFieldAction = mMenu->addAction( title );
61 connect( setFieldAction, &QAction::triggered, this, &QgsMultiEditToolButton::setFieldTriggered );
62 break;
63 }
64 case Changed:
65 {
66 QAction *resetFieldAction = mMenu->addAction( tr( "Reset to Original Values" ) );
67 connect( resetFieldAction, &QAction::triggered, this, &QgsMultiEditToolButton::resetFieldTriggered );
68 break;
69 }
70 }
71 }
72
setFieldTriggered()73 void QgsMultiEditToolButton::setFieldTriggered()
74 {
75 mIsChanged = true;
76 updateState();
77 emit setFieldValueTriggered();
78 }
79
resetFieldTriggered()80 void QgsMultiEditToolButton::resetFieldTriggered()
81 {
82 mIsChanged = false;
83 updateState();
84 emit resetFieldValueTriggered();
85 }
86
updateState()87 void QgsMultiEditToolButton::updateState()
88 {
89 //changed state takes priority over mixed values state
90 if ( mIsChanged )
91 mState = Changed;
92 else if ( mIsMixedValues )
93 mState = MixedValues;
94 else
95 mState = Default;
96
97 QIcon icon;
98 QString tooltip;
99 switch ( mState )
100 {
101 case Default:
102 icon = QgsApplication::getThemeIcon( QStringLiteral( "/multieditSameValues.svg" ) );
103 tooltip = tr( "All features in selection have equal value for '%1'" ).arg( mField.name() );
104 break;
105 case MixedValues:
106 icon = QgsApplication::getThemeIcon( QStringLiteral( "/multieditMixedValues.svg" ) );
107 tooltip = tr( "Some features in selection have different values for '%1'" ).arg( mField.name() );
108 break;
109 case Changed:
110 icon = QgsApplication::getThemeIcon( QStringLiteral( "/multieditChangedValues.svg" ) );
111 tooltip = tr( "Values for '%1' have unsaved changes" ).arg( mField.name() );
112 break;
113 }
114
115 setIcon( icon );
116 setToolTip( tooltip );
117 }
118